Home / 2,420.22-3,338.10-1,536.29

Finding the Fourth Proportional to 2,420.22, 3,338.10 and 1,536.29

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Solution

The fourth proportional to 2,420.22, 3,338.10 and 1,536.29 is: 2,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.22 : 3,338.10 = 1,536.29 : x
  2. Step 2: Convert to fraction form
    2,420.22/3,338.10 = 1,536.29/x
  3. Step 3: Cross multiply
    2,420.22x = 3,338.10 × 1,536.29
  4. Step 4: Simplify right side
    2,420.22x = 5,128,272.96
  5. Step 5: Solve for x
    x = 5,128,272.96/2,420.22
  6. Step 6: Final answer
    x = 2,118.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.